420130044 has 48 divisors (see below), whose sum is σ = 1153303200. Its totient is φ = 131804928.

The previous prime is 420130037. The next prime is 420130057. The reversal of 420130044 is 440031024.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 420129999 and 420130026.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 112579 + ... + 116250.

It is an arithmetic number, because the mean of its divisors is an integer number (24027150).

Almost surely, 2^420130044 is an apocalyptic number.

It is an amenable number.

420130044 is an abundant number, since it is smaller than the sum of its proper divisors (733173156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

420130044 is a wasteful number, since it uses less digits than its factorization.

420130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228859 (or 228851 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 420130044 is about 20497.0740350910. The cubic root of 420130044 is about 748.9645230412.

Adding to 420130044 its reverse (440031024), we get a palindrome (860161068).

The spelling of 420130044 in words is "four hundred twenty million, one hundred thirty thousand, forty-four".